On R-parastatistics I: FoundationParastatistics is an exotic type of exchange statistics beyond fermions and bosons. Paraparticles transform in higher dimensional representations of the exchange symmetry group, analogous to…Zhiyuan Wang, Kaden R. A. Hazzard·Jul 28, 2026SaveLearn
Hardware-Aware QUBO Reformulation of Constrained Binary Optimization via the Walsh-Fourier TransformWe present a novel slack-free, penalty-based framework for reformulating constrained binary optimization as Quadratic Unconstrained Binary Optimization (QUBO) on near-term quantum annealing hardware.…Loong Kuan Lee, Harsha Nagarajan, Thore Gerlach et al.·Jul 28, 2026SaveLearn
Optimal Interaction Free Localization with Multipath InterferometersInteraction-free measurement (IFM) certifies the presence of an absorbing object without a photon ever being absorbed by it. When several candidate locations are available, existing protocols can…Anubhav Chaturvedi, Jorge Escandón-Monardes, Esteban S. Gómez et al.·Jul 28, 2026SaveLearn
Precise 2D electric field density simulations for superconducting quantum devicesDielectric loss due to two-level systems is a limiting factor for superconducting qubit relaxation times. These losses arise mostly from nanometer-scale interfacial defect regions in superconducting…Zydrunas Gimbutas, Wei-Ren Syong, Nhi Nguyen et al.·Jul 28, 2026SaveLearn
Supermartingales in Quantum Resources Theories: Where do quantum resources go when you're watching?We establish a connection between quantum resource theory and probability theory, under repeated application of free operations. We show that strong monotonicity of a resource measure implies that…Katarzyna Macieszczak, Robert L. Jack·Jul 28, 2026SaveLearn
Minimal Counterexamples of the MacWilliams Extension Theorem for Stabilizer CodesThe MacWilliams extension theorem fails for module alphabets with non-cyclic socle, and the label alphabet of qudit stabilizer codes, q2 over q, is such an alphabet. Quantum error…Ali Assem Mahmoud·Jul 28, 2026SaveLearn
A two-dimensional piezo-optomechanical transducerOptical quantum networks provide a natural route for connecting distant superconducting quantum processors, enabling distributed quantum computation, sensing, and communication. Piezo-optomechanical…Tian Xie, Nelson Ooi, Linus Woodard et al.·Jul 28, 2026SaveLearn
Algebraic paradoxes in adaptive quantum computationMeasurement-based quantum computation (MBQC) is a universal model of quantum computation whose full power requires adaptivity. Contextuality is known to power quantum advantage in MBQC, yet it has…Samson Abramsky, Rui Soares Barbosa, Carmen Constantin et al.·Jul 28, 2026SaveLearn
Role of flavor degrees of freedom in quantum simulations of disorder-free localizationA recent Google Quantum AI experiment [https://www.science.org/doi/10.1126/science.adr9680Gyawali et al., Science 393, 71 (2026)] has exploited quantum parallelism…Yizhuo Tian, Jared Jeyaretnam, Tanmay Bhore et al.·Jul 28, 2026SaveLearn
Graph Theoretic Approach to Quantum NonstabilizernessDetecting nonstabilizerness requires full tomography and an optimization over exponentially many stabilizer states. A limited Pauli measurement set promises resource-efficient magic certification,…Yingjian Liu, Albert Gasull, Mengyao Hu et al.·Jul 28, 2026SaveLearn
Lindbladian quantization of mechanical systems with nonholonomic constraintsNonholonomic mechanics describes systems subject to non-integrable velocity constraints, such as rolling bodies and skating motion. These systems generally lack a canonical Hamiltonian formulation,…Daniel Schubring, Sriram Ganeshan·Jul 28, 2026SaveLearn
Contextual advantage implies limited distinguishability in any physical theoryA central question in quantum information is whether a given set of states can provide an advantage in some information-processing task. We establish a universal connection between two such…Roberto D. Baldijão, Felipe A. Barretto, Jarosław K. Korbicz·Jul 28, 2026SaveLearn
State preparation and detection for quantum simulation of particle collisionsSimulating the real-time dynamics of particle collisions is a promising application of quantum simulators, because classical methods such as tensor networks struggle to capture the highly entangled…Federica Maria Surace, Sary Bseiso, John Preskill·Jul 28, 2026SaveLearn
Linear Algebra of Generalized Contextuality in All Prepare-Transform-Measure ScenariosGeneralized contextuality is a canonical distinguishing property of nonclassical generalized probabilistic theories, in particular quantum mechanics. Methods for certification and characterization of…Theodoros Yianni, Nyan Raess, Farid Shahandeh·Jul 28, 2026SaveLearn
Quantum Information Decoupling Beyond Finite DimensionsQuantum information decoupling is a pillar of quantum information theory, underlying quantum communication, error correction, and information recovery. However, its existing formulations rely on…Hayata Yamasaki·Jul 28, 2026SaveLearn
Qubit-qubit-qutrit quantum correlations in H f f VWe perform an extensive analysis of the quantum correlations carried by the qubit-qubit-qutrit pure state arising in the decay of a massive scalar into a fermion-antifermion pair and a massive gauge…Michał Banacki, Misaki Ohta, Abhyoudai S. Shaleena et al.·Jul 28, 2026SaveLearn
Exact Conditional Momentum Moments for Nonlinear Homodyne TrajectoriesSimulation of nonlinear stochastic master equations generally requires trajectory-level evolution of large Hilbert-space density matrices, making strongly nonlinear continuously monitored systems…Jacob Emerson·Jul 28, 2026SaveLearn
Path integral approach to the truncated Wigner approximation of driven-dissipative spinsPhase-space approaches such as the truncated Wigner approximation (TWA) provide an efficient semiclassical framework for performing approximate simulations of the dynamics of open quantum many-body…Viktoria Noel, Michael Fleischhauer, Igor Lesanovsky·Jul 28, 2026SaveLearn
Observable Estimation in the Absence of Classical VerificationThe predictive success of quantum mechanics underpins many areas of modern science, even as the exact simulation of large, interacting quantum systems remains beyond the reach of classical…Samantha V. Barron, Bradley Mitchell, Vinay Tripathi et al.·Jul 28, 2026SaveLearn
Equi-Entropic Maps for Four-Partite Quantum StatesAbsolutely maximally entangled states represent a highly constrained form of multipartite entanglement and play an important role in quantum information theory. We investigate a weaker form of…Wojciech Bruzda, Zahra Raissi·Jul 28, 2026SaveLearn
Sampling hard circuits with verifiably high fidelitySampling-based proposals are prominent candidates for demonstrating quantum computations beyond the reach of classical supercomputers. However, it has been difficult to combine their…Simon Martiel, Jay-U Chung, Alireza Seif et al.·Jul 28, 2026SaveLearn
Effect-valued measurement models and contextualityWe generalize the Abramsky--Brandenburger sheaf-theoretic treatment of contextuality by replacing probability distributions with distributions valued in a convex effect algebra \(A\). This yields a…Samson Abramsky·Jul 28, 2026SaveLearn
OmniQEC: discovering practical quantum error-correcting codes by an AI scientistQuantum error correction (QEC) is indispensable for scalable fault-tolerant quantum computing. However, discovering QEC codes that remain effective is challenging, as logical performance depends on…Ge Yan, Shanchuan Li, Pengyue Ma et al.·Jul 28, 2026SaveLearn
Bipartite Bound Information ExistsThere exist bipartite quantum states that cost entanglement to create, yet from which no singlet can be distilled. This extreme irreversibility is known as bound entanglement. A quarter-century ago,…Jef Pauwels, Nicolas Gisin, Renato Renner·Jul 28, 2026SaveLearn
Lowering the implementation barrier of neutral-atom quantum computing with agentic workflowsQuantum computers are moving from research laboratories to industrial machines accessible via the cloud and integrated into high-performance computing facilities. However, translating theoretical…Constantin Dalyac, Alexandre Dauphin, Loïc Henriet et al.·Jul 28, 2026SaveLearn